Quantative Ability CAT Questions
November 5th, 2009 Posted in Daily Question & Gyan
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1. Units’ digits of 171983 + 111983 – 71983 is
a. 1
b. 2
c. 3
d. 0
2. If a + b + c = 7, a2 + b2 + c2 = 21 and a3 + b3 + c3 = 73, what is the value of abc?
a. 8
b. 9
c. 10
d.12
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Tags: CAT 2009 Math Questions, CAT 2009 Quant Questions, CAT Quantitative Ability Test for MBA, CAT Sample Quantitative Ability Questions, CAT Sample Quantitative Questions, Quantitative Ability, Quantitative Ability Questions, Quantitative Ability Sample Questions for CAT, Quantitative Questions and Answers, Sample Quantitative Ability
November 5th, 2009 at 11:53 pm
1) answer is a) 1.
2) a. a=4, b=2, c=1
November 6th, 2009 at 12:00 am
1. a. any power of 1 ends always with 1
2. a. abc = 1*2*4=8
November 6th, 2009 at 8:10 am
1. A
2. A
November 6th, 2009 at 9:18 am
1 a
2a
a
November 6th, 2009 at 11:11 am
1.a(by cyclicity)
2.a(only one combination gives product of
November 6th, 2009 at 11:10 pm
1. 1
2. 8
November 7th, 2009 at 12:33 am